MAX3370EXK-T Equivalent & Substitute Parts

Part Overview

The MAX3370EXK-T is a voltage level translator IC from Analog Devices Inc./Maxim Integrated, designed for bidirectional signal translation between different voltage domains. This single-channel, single-circuit translator operates at 3 Mbps and is housed in a 5-TSSOP (SC-70-5) package. The part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility while meeting current availability and compliance standards.

Key Parameters

Parameter	Value
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	1
Voltage - VCCA	1.65 V ~ 5.5 V
Voltage - VCCB	2.5 V ~ 5.5 V
Data Rate	3 Mbps
Output Type	Open Drain, Push-Pull
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	5-TSSOP, SC-70-5, SOT-353
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the MAX3370EXK-T is determined by the following critical parameters:

Translator Type & Channel Configuration: Voltage level translator with bidirectional, single-channel operation
Voltage Compatibility: VCCA range 1.65 V ~ 5.5 V and VCCB range 2.5 V ~ 5.5 V
Data Rate Performance: Minimum 3 Mbps capability
Output Type: Open Drain or Push-Pull configuration
Operating Temperature Range: -40°C ~ 85°C minimum
Package Form Factor: Surface mount technology

Substitute parts are grouped into two categories:

Category 1: Direct Package Equivalent (5-TSSOP) Parts maintaining the original 5-pin SC-70-5 package footprint for direct PCB replacement without layout modification.

Category 2: Functional Equivalents (Alternative Packages) Parts with identical electrical specifications but different package configurations (6-XSON, 6-TSSOP), requiring PCB layout adjustment but offering improved performance characteristics or better availability.

Parameter Comparison

Part Number	Manufacturer	Translator Type	Channel Type	VCCA Range	VCCB Range	Data Rate	Output Type	Temp Range	Package	Product Status	RoHS Status
MAX3370EXK-T	Analog Devices/Maxim	Voltage Level	Bidirectional	1.65 V ~ 5.5 V	2.5 V ~ 5.5 V	3 Mbps	Open Drain, Push-Pull	-40°C ~ 85°C	5-TSSOP	Obsolete	Non-compliant
MAX3370EXK+T	Analog Devices/Maxim	Voltage Level	Bidirectional	1.65 V ~ 5.5 V	2.5 V ~ 5.5 V	3 Mbps	Open Drain, Push-Pull	-40°C ~ 85°C	5-TSSOP	Active	ROHS3 Compliant
74LVC1T45Z6-7	Diodes Incorporated	Voltage Level	Bidirectional	1.65 V ~ 5.5 V	1.65 V ~ 5.5 V	Not specified	Tri-State, Non-Inverted	-40°C ~ 125°C	SOT-563	Active	ROHS3 Compliant
74AVC1T45GM,132	Nexperia USA Inc.	Voltage Level	Bidirectional	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	500 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	6-XSON	Active	ROHS3 Compliant
74AVC1T45GM-Q100H	Nexperia USA Inc.	Voltage Level	Bidirectional	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	500 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	6-XSON	Active	ROHS3 Compliant
74AVC1T45GW,125	Nexperia USA Inc.	Voltage Level	Bidirectional	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	500 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	6-TSSOP	Active	ROHS3 Compliant
74AVC1T45GW-Q100H	Nexperia USA Inc.	Voltage Level	Bidirectional	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	500 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	6-TSSOP	Active	ROHS3 Compliant
74AVCH1T45GN,132	Nexperia USA Inc.	Voltage Level	Bidirectional	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	500 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	6-XSON	Active	ROHS3 Compliant
74AVCH1T45GW-Q100H	Nexperia USA Inc.	Voltage Level	Bidirectional	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	500 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	6-TSSOP	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: MAX3370EXK+T

The MAX3370EXK+T is the direct successor to the MAX3370EXK-T, maintaining identical electrical specifications and package form factor. This part is currently in active production status with ROHS3 compliance, making it the preferred choice for designs requiring minimal modification. The identical 5-TSSOP package ensures drop-in compatibility without PCB layout changes.

Secondary Recommendations: 74LVC1T45Z6-7

The 74LVC1T45Z6-7 from Diodes Incorporated provides functional equivalence with matching voltage ranges for both VCCA and VCCB (1.65 V ~ 5.5 V). This part offers extended operating temperature range (-40°C ~ 125°C) and is actively produced with ROHS3 compliance. The SOT-563 package differs from the original, requiring PCB layout modification.

Alternative Recommendations: 74AVC Series and 74AVCH Series

The 74AVC1T45 and 74AVCH1T45 series from Nexperia provide enhanced performance with 500 Mbps data rate capability, significantly exceeding the 3 Mbps requirement. These parts operate at reduced voltage ranges (0.8 V ~ 3.6 V) and extended temperature ranges (-40°C ~ 125°C). Automotive-qualified variants (GM-Q100H, GW-Q100H) are available with AEC-Q100 certification. All variants are ROHS3 compliant and actively produced. Package options include 6-XSON and 6-TSSOP configurations.

Frequently Asked Questions (FAQ)

Q: Can MAX3370EXK+T directly replace MAX3370EXK-T without PCB modification?

A: Yes. The MAX3370EXK+T maintains identical electrical specifications and 5-TSSOP package configuration, enabling direct PCB replacement without layout changes.

Q: What is the primary difference between MAX3370EXK-T and 74LVC1T45Z6-7?

A: Both are functionally equivalent voltage level translators with matching VCCA/VCCB ranges. The 74LVC1T45Z6-7 offers extended operating temperature (-40°C ~ 125°C vs. -40°C ~ 85°C) and is actively produced. The package differs (SOT-563 vs. 5-TSSOP), requiring PCB layout modification.

Q: Why do 74AVC and 74AVCH series parts have different voltage ranges?

A: The 74AVC and 74AVCH series are designed for lower voltage applications (0.8 V ~ 3.6 V) compared to the MAX3370EXK-T (1.65 V ~ 5.5 V VCCA, 2.5 V ~ 5.5 V VCCB). These parts are suitable for designs operating within the 0.8 V ~ 3.6 V range and offer superior data rate performance (500 Mbps).

Q: Are automotive-qualified variants available?

A: Yes. The 74AVC1T45GM-Q100H, 74AVC1T45GW-Q100H, and 74AVCH1T45GW-Q100H variants carry AEC-Q100 automotive qualification and are suitable for automotive applications.

Q: What package options are available for substitute parts?

A: Substitute parts are available in three package configurations: 5-TSSOP (MAX3370EXK+T only, direct replacement), 6-XSON (74AVC1T45GM, 74AVCH1T45GN), and 6-TSSOP (74AVC1T45GW, 74AVCH1T45GW-Q100H, 74LVC1T45Z6-7). Package selection depends on PCB layout constraints and availability requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All recommended substitute parts carry ROHS3 compliance status. The original MAX3370EXK-T is RoHS non-compliant, while all active production alternatives meet current RoHS requirements.

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